A micron is a small unit of measurement that measures length. It is another name for "micrometer," which is one thousandth of a millimeter, or one millionth of a meter. An object that is only a single micron wide is not visible by the human eye. However, a human hair, which has a width around 50 micron, can been seen.

Microns are used in many industries, such as biology (e.g., to measure cell size) and chemical engineering (e.g., to measure particle filtration). They are also used in computing to measure the size of elements within integrated circuits and other components. Additionally, manufacturing specifications may state the dimensions of a product must fall within a certain micron number to meet quality control standards.

While a micron is extremely small, it is still too large to measure some computing components such as transistors and bus widths. These are often measured in nanometers, which are one thousandth of a micron, or one billionth of a meter.

NOTE: The term "micron" used is in both singular and plural cases. For example, one micron is half the length of two micron. While the term "micron" is still used in some industries, micrometers have become a more standard unit of measurement.

Abbreviation: µ

Updated August 14, 2014 by Per C.

quizTest Your Knowledge

What is the minimum bit depth required for High Dynamic Range (HDR) video?

8 bits per channel
10 bits per channel
12 bits per channel
14 bits per channel
Correct! Incorrect!     View the HDR definition.
More Quizzes →

The Tech Terms Computer Dictionary

The definition of Micron on this page is an original definition written by the TechTerms.com team. If you would like to reference this page or cite this definition, please use the green citation links above.

The goal of TechTerms.com is to explain computer terminology in a way that is easy to understand. We strive for simplicity and accuracy with every definition we publish. If you have feedback about this definition or would like to suggest a new technical term, please contact us.

Sign up for the free TechTerms Newsletter

How often would you like to receive an email?

You can unsubscribe or change your frequency setting at any time using the links available in each email.

Questions? Please contact us.